639376562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89977}}^1$

素因数の和:90026

約数の個数: 32

約数和(自身を含む): 1166114880

約数和(自身を除く): 526738318

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 3553, 7106, 89977, 179954, 989747, 1529609, 1709563, 1979494, 3059218, 3419126, 16825699, 18805193, 29062571, 33651398, 37610386, 58125142, 319688281, 639376562]

約数ペア:

[(1, 639376562), (2, 319688281), (11, 58125142), (17, 37610386), (19, 33651398), (22, 29062571), (34, 18805193), (38, 16825699), (187, 3419126), (209, 3059218), (323, 1979494), (374, 1709563), (418, 1529609), (646, 989747), (3553, 179954), (7106, 89977)]